Main contractors in the UK

20744 UK companies working as main contractors.

• I Interni Deco Ltd London · Design & build

  InterniDeco transforms London homes with elegant design and masterful craftsmanship, offering bespoke joinery, interior design, and full project manag

• I Interskills Solutions Ltd London · Main contractor · 1-9 employees

  Construction company in London specialising in extensions, loft conversions, renovations, kitchen and bathroom installations, and property refurbishme

• I Intervention Services Ltd Pontyclun · Main contractor · 10-49 employees

  Intervention Services Limited are a well established, medium sized, company in South Wales who are privately owned and work together with major contra

• I INTEX CONSTRUCTION LTD Oldham · Extensions

  Intex Construction LTD offers expert building and groundwork services with over 20 years of experience. Specialising in home extensions, structural al

• I Inti Construction Ltd Cambridge · House builder · 1-9 employees

  Inti Construction: builders of high quality, beautiful, energy efficient homes, extensions and renovations in the greater Cambridge region for over 15

• I INTIRE Fitout Downpatrick · Fit-out & interiors · 1-9 employees

  Interiors Ireland - INTIRE Fitout is a dynamic construction company specializing in commercial interiors across Ireland. Delivering excellence in ever

• I Intium Construction Ltd Newcastle · Design & build · 10-49 employees

  Intium Construction is a family-owned construction services company in Staffordshire, offering design and build, new build, refurbishment, and fit-out

• I Intoheat (Holdings) Ltd Bristol · M&E contracting · 50-249 employees

  Leading building service engineers since 1986, INTOHEAT offers mechanical & electrical, decarbonisation, facilities management, and retail services na

• I Intracat Ltd Sawston Cambridge · Fit-out & interiors · 10-49 employees

  Intracat Ltd is a construction company based in Sawston, Cambridge. Their website is currently undergoing a major update and will be launching soon.

• I INTRICATE INTERIORS LTD Heywood · Design & build · 1-9 employees

  Manchester based Home Renovations company with over 10 years of experience. Intricate Interiors specialises in Home Extensions, Kitchen Renovations, B

• I Intrinsic Construction Ltd Glasgow · Main contractor · 1-9 employees

  Intrinsic Construction: Delivering complex projects across Scotland with a focus on safety, quality, and reliability. Your trusted partner for constru

• I Intsol Construction Ltd London · Refurbishment · 1-9 employees

  IntSol Construction Ltd is a London-based construction company offering a comprehensive range of services including refurbishment, fit-out, and M&E co

• I Inventiv Roofing Poole · Roofing · 1-9 employees

  Established in 2003, Inventiv Roofing Solutions is a leading roofing contractor specialising in larger housing developments for commercial clients in

• I Inventive Drives and Patios LTD Warlingham · Driveways & paving

  Inventive Drives and Patios LTD: Driveway, patio, and landscaping specialists in Gloucestershire. Over 30 years of experience in groundwork, offering

• I Inverleith Roofing & Building Ltd Edinburgh · Roofing

  Inverleith Roofing and Building provides expert roofing contractors in Edinburgh. Offering installation, maintenance, and repairs for slate, tile, and

• I InverTay Homes Dundee · House builder

  InverTay Homes builds award-winning, energy-efficient houses for growing families, offering more space and lower bills without compromising on quality

• I Investimmo Construction Ltd Wigan · Property developer

  Investimmo Group is a UK-based real estate development company specialising in renovations and new build projects over 1,000 sqm.

• I Investment Building UK Ltd Chelmsford · Refurbishment

  Investment Building UK is a family-run team of specialist designers and builders based in Essex, offering property renovation and dream home construct

• I Investre Ltd London · Property developer

  London-based property investment and development business focused on Prime Central London, Kensington, Chelsea, Mayfair, Marylebone, Bayswater, Knight

• I Invicta Bathrooms Ltd Ashford · Bathroom fitting

  Invicta Bathrooms offers expert design, supply, and installation of high-quality bathrooms, kitchens, bedrooms, and offices. They provide a complete,

• I Invicta Home Improvements Ltd Whitstable · Refurbishment

  Invicta Home Improvements Ltd offers professional property maintenance, home improvements, repairs, and alterations with over 20 years of experience i

• I Invicta Maintenance Ltd London · Refurbishment

  Invicta Maintenance Ltd offers a comprehensive range of building services, specialising in refurbishment and fit-out projects for commercial and resid

• I Invicta Projects Ltd Tunbridge Wells · Refurbishment · 1-9 employees

  Invicta Projects Ltd are a Tunbridge Wells based construction company. All aspects of building work, free no obligation quotes. Loft conversions, exte

• I Invigorate Homes Ltd London · Design & build

  Invigorate Homes specialises in bespoke, luxurious residential projects of the highest standard and quality, with a proven track record spanning over

• I Invisible Group Southampton · Fit-out & interiors

  Experts in Commercial Interiors & Office Design in London. Top quality services to commercial properties. Talk to us today

• I Inwood Design Ltd Dorchester · Design & build · 10-49 employees

  Inwood Design offers bespoke cabinet making, furniture, kitchens, bedrooms, home extensions, and building refurbishments, delivering high-quality craf

• I Ioluri Pro Ltd East Ham · Main contractor

  Providing trusted construction management, extensions, refurbishments, and building maintenance with care for your home or business.

• I Ip Building Ltd Tonbridge · Extensions

  IP Building has over 35 years of experience in building and transforming homes in Kent. We specialise in extensions, driveways, patios, and new builds

• I IPD Shopfitting Darlington · Shopfitting · 10-49 employees

  Interactive Projects & Design Limited offer a complete bespoke shopfitting package to meet all client requirements, serving architects, retailers, loc

• I Ipds Group Ltd Market Rasen · Groundworks · 1-9 employees

  IPDS offers first-class groundworks and civil engineering services in Lincolnshire for both residential and commercial projects.

• I IPS Renovation Ltd Mitcham · Refurbishment · 1-9 employees

  IPS Renovation Ltd is London's trusted Home Renovation specialist, delivering exceptional quality in kitchen renovations, bathroom remodeling, plaster

• I Ipsum Chorley · Utilities

  The UK's customer service leader in specialist utility and infrastructure services, keeping the UK's lights on and taps running 24/7/365.

• I Ipsum (UK) Ltd Nottingham · Main contractor · 1-9 employees

  Ipsum (UK) Ltd is a leading building contractor in Nottingham and the East Midlands, offering quality building services for residential, public sector

• I Ipsum Constructions Ltd London · Design & build · 1-9 employees

  Ipsum Constructions offer a complete design & build solution from inception to completion. They operate in and around the London area and undertake wo

• I Ipsum Renewables Mansfield · Solar PV

  Expert installation of solar panels, air source heat pumps, and AC. MCS accredited & Which? Trusted Trader. Get your free survey today.

• I Iralia Renovation Ltd London · Refurbishment

  Iralia Renovation Portal manages 1 data type including enquiries. Helps you organize, track, and share your work in 1 place for teams and solo users.

• I Iravya Infrastructure Ltd Stansted · Design & build

  Iravya Infrastructure Ltd is a UK-based construction consultancy and building surveying company providing professional, reliable, and practical soluti

• I IREIBUS LTD Harlow · Refurbishment · 1-9 employees

  Specializing in top-quality building construction services across Greater London within M25. Committed to excellence in residential and commercial pro

• I Irenov8 & Refurbish Ltd Newcastle Upon Tyne · Refurbishment · 1-9 employees

  iRenov8 & Refurbish specialises in transforming residential and retail spaces, offering tailored renovation solutions that combine style, functionalit

• I Irimi Developments Sutton Coldfield · Refurbishment

  With over 20 years in Property Maintenance & Renovation, Irimi Developments provide a trusted and excellent service for homes, schools and commercial

• I Iron & Pine Dalbeattie · Modular & offsite construction · 10-49 employees

  Iron & Pine are a leading provider of luxury shipping container conversions & modular buildings. Proudly based in Dumfries & Galloway, Scotland.

• I Iron Bee Ltd Manchester · Refurbishment

  IRON BEE LTD is a trusted construction and renovation company providing high-quality residential and commercial services. We specialize in building, r

• I Ironbuild Construction Ltd London · Fit-out & interiors

  London's trusted retail and commercial construction company. 200+ projects delivered. Fit-outs, new builds, refurbishments. Request a quote today.

• I Irs Construction Ltd Airdrie · Cladding

  IRS Construction is a leading UK specialist in external wall insulation, building cladding, and facade remediation, focusing on fire safety compliance

• I Irthing Developments Ltd Carlisle · House builder · 1-9 employees

  Irthing Developments Ltd is a building and property development company established in 2016, offering professional building services for homes and pro

• I Irvine Plant Ltd Peebles · Plant hire

  Plant and Machinery Contractors, Surfacing and general Plant Hire. Trusted partner for plant hire, groundworks, and surfacing solutions in The Scottis

• I Irwin M&E Craigavon · M&E contracting

  Irwin M&E provides mechanical, electrical, energy, and renewable installation and maintenance services across public and private sectors throughout th

• I Isa Building Ltd Aylesbury · Main contractor · 1-9 employees

  ISA Building offers over 25 years of experience in construction and renovation, dedicated to quality craftsmanship and client satisfaction. They make

• I Iskcon Construction Ltd Edgware · Refurbishment · 1-9 employees

  Iskcon Construction Ltd is a local and trusted building company in Edgware, offering a wide range of professional, reliable, and friendly services tai

• I Island Carpentry Ltd Lake · Carpentry & joinery · 1-9 employees

  Island Carpentry Ltd is a carpentry and joinery company on the Isle of Wight, established in 2012. Members of the FMB and recognised by Trustmark.